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#!/usr/bin/env python
# Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
"""
Utils for functest restapi
"""
import collections
import logging
import os
import sys
from oslo_utils import importutils
import six
import functest
LOGGER = logging.getLogger(__name__)
def change_to_str_in_dict(obj):
"""
Return a dict with key and value both in string if they are in Unicode
"""
if isinstance(obj, collections.Mapping):
return {str(k): change_to_str_in_dict(v) for k, v in obj.items()}
elif isinstance(obj, list):
return [change_to_str_in_dict(ele) for ele in obj]
elif isinstance(obj, six.text_type):
return str(obj)
return obj
def itersubclasses(cls, _seen=None):
""" Generator over all subclasses of a given class in depth first order """
if not isinstance(cls, type):
raise TypeError("itersubclasses must be called with "
"new-style classes, not %.100r" % cls)
_seen = _seen or set()
try:
subs = cls.__subclasses__()
except TypeError: # fails only when cls is type
subs = cls.__subclasses__(cls)
for sub in subs:
if sub not in _seen:
_seen.add(sub)
yield sub
for itersub in itersubclasses(sub, _seen):
yield itersub
def import_modules_from_package(package):
"""
Import modules from package and append into sys.modules
:param: package - Full package name. For example: functest.api.resources
"""
path = [os.path.dirname(functest.__file__), ".."] + package.split(".")
path = os.path.join(*path)
for root, _, files in os.walk(path):
for filename in files:
if filename.startswith("__") or not filename.endswith(".py"):
continue
new_package = ".".join(root.split(os.sep)).split("....")[1]
module_name = "%s.%s" % (new_package, filename[:-3])
try:
try_append_module(module_name, sys.modules)
except ImportError:
LOGGER.exception("unable to import %s", module_name)
def try_append_module(name, modules):
""" Append the module into specified module system """
if name not in modules:
modules[name] = importutils.import_module(name)
def change_obj_to_dict(obj):
""" Transfer the object into dict """
dic = {}
for key, value in vars(obj).items():
dic.update({key: value})
return dic
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